Home / 327,904.20-491,856.30-269,584.20

Finding the Fourth Proportional to 327,904.20, 491,856.30 and 269,584.20

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Solution

The fourth proportional to 327,904.20, 491,856.30 and 269,584.20 is: 404,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,904.20 : 491,856.30 = 269,584.20 : x
  2. Step 2: Convert to fraction form
    327,904.20/491,856.30 = 269,584.20/x
  3. Step 3: Cross multiply
    327,904.20x = 491,856.30 × 269,584.20
  4. Step 4: Simplify right side
    327,904.20x = 132,596,687,150.46
  5. Step 5: Solve for x
    x = 132,596,687,150.46/327,904.20
  6. Step 6: Final answer
    x = 404,376.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.